Muren Weather Records (MG000044231)

Record envelope, standing records and threshold days for Muren (MG000044231), Mongolia, with 71 years of record.

Key Facts for Muren

Muren (MG000044231) is a weather station in Mongolia at 49.63 latitude and 100.17 longitude, 1,283 m (4,209 ft) above sea level.
The station reports from 1956 to 2026, 71 years of record.
1,464 records set at Muren still stand.
Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
Muren set a daily record high minimum temperature of 3.1 C (37.6 F) on 6 October 2026 (provisional).

Provisional Records

Records set in the last 60 days are provisional until they clear the revision window.

About the Station

Location: Mongolia, 49.63 latitude, 100.17 longitude.
Elevation: 1,283 m (4,209 ft).
Period of record: 1956 to 2026, 71 years.
Eligible elements: tmax, tmin, prcp.

Daily Record Envelope and 2026

10 days at or beyond a record

The band shows the record high and record low for each calendar day at Muren. The lines show the 2026 daily maximum and minimum. 10 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Muren, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	4.5 C (40.1 F)	-47.2 C (-53.0 F)	-0.2 C (31.6 F)	-32.2 C (-26.0 F)
Feb	9.2 C (48.6 F)	-44.3 C (-47.7 F)	6.1 C (43.0 F)	-26.2 C (-15.2 F)
Mar	18.7 C (65.7 F)	-36.1 C (-33.0 F)	10.2 C (50.4 F)	-23.8 C (-10.8 F)
Apr	28.9 C (84.0 F)	-22.3 C (-8.1 F)	23.9 C (75.0 F)	-9.5 C (14.9 F)
May	32.5 C (90.5 F)	-15.0 C (5.0 F)	27.1 C (80.8 F)	-1.6 C (29.1 F)
Jun	35.4 C (95.7 F)	-5.9 C (21.4 F)	29.7 C (85.5 F)	3.8 C (38.8 F)
Jul	37.4 C (99.3 F)	1.4 C (34.5 F)	31.1 C (88.0 F)	9.1 C (48.4 F)
Aug	36.9 C (98.4 F)	-3.0 C (26.6 F)	31.8 C (89.2 F)	6.8 C (44.2 F)
Sep	31.8 C (89.2 F)	-12.7 C (9.1 F)	30.7 C (87.3 F)	-3.9 C (25.0 F)
Oct	23.6 C (74.5 F)	-27.3 C (-17.1 F)	16.3 C (61.3 F)	-4.4 C (24.1 F)
Nov	13.4 C (56.1 F)	-37.9 C (-36.2 F)	n/a	n/a
Dec	9.6 C (49.3 F)	-45.8 C (-50.4 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Muren still stand. 2002 holds the most, with 46.

Standing records at Muren by the year they were set
Year set	Standing records
1956	3
1957	9
1958	3
1959	11
1960	12
1961	30
1962	21
1963	32
1964	41
1965	14
1966	42
1967	19
1968	24
1969	36
1970	26
1971	30
1972	14
1973	12
1974	23
1975	21
1976	45
1977	43
1978	14
1979	39
1980	15
1981	33
1982	17
1983	15
1984	15
1985	18
1986	15
1987	32
1988	16
1989	23
1990	15
1991	16
1992	15
1993	14
1994	12
1995	17
1996	26
1997	22
1998	27
1999	30
2000	16
2001	20
2002	46
2003	19
2004	28
2005	23
2006	9
2007	14
2008	15
2009	16
2010	30
2011	12
2012	12
2013	8
2014	15
2015	21
2016	20
2017	12
2018	12
2019	17
2020	14
2021	18
2022	13
2023	9
2024	9
2025	44
2026	35

All-Time Record Progression

6 new records

6 all-time records were set at Muren between 10 July 1997 and 21 June 2025. Each dot is a new record.

When Muren set new all-time records
Date	Kind	Detail
1997-07-10	Record high maximum temperature	Record high maximum temperature 36.9 C (98.4 F)
1999-07-24	Record high maximum temperature	Record high maximum temperature 37.4 C (99.3 F)
1999-07-24	Record high minimum temperature	Record high minimum temperature 18.8 C (65.8 F)
2002-07-26	Record high minimum temperature	Record high minimum temperature 20.2 C (68.4 F)
2009-03-17	Record daily precipitation	Record daily precipitation 68.1 mm (2.7 in)
2025-06-21	Record high minimum temperature	Record high minimum temperature 24.1 C (75.4 F)

Wettest Day of Each Month

Mar: 68.1 mm (2.7 in)

The wettest day on record for each calendar month at Muren. The most was 68.1 mm (2.7 in) on 17 March 2009.

Record daily precipitation for each month at Muren
Month	Record daily precipitation (mm)	Date
Jan	4.1 mm (0.16 in)	1 January 2003
Feb	4.1 mm (0.16 in)	17 February 2018
Mar	68.1 mm (2.7 in)	17 March 2009
Apr	18.0 mm (0.7 in)	25 April 2006
May	36.0 mm (1.4 in)	26 May 1989
Jun	48.0 mm (1.9 in)	8 June 1986
Jul	52.1 mm (2.1 in)	13 July 2021
Aug	68.0 mm (2.7 in)	23 August 1962
Sep	33.0 mm (1.3 in)	22 September 2025
Oct	24.0 mm (0.9 in)	1 October 1975
Nov	7.1 mm (0.28 in)	5 November 2016
Dec	6.0 mm (0.24 in)	29 December 1996

Period of Record Coverage

1956 to 2026

71 years of record at Muren, 1956 to 2026. 10 years have data for under 90 percent of days and are left out of rankings: 1956, 1957, 1958, 1959, 1960, 1999, 2022, 2023 and others.

Days with data per year at Muren
Year	Days with data	Share of year	Complete
1956	9	2%	No
1957	35	10%	No
1958	101	28%	No
1959	157	43%	No
1960	223	61%	No
1961	365	100%	Yes
1962	365	100%	Yes
1963	365	100%	Yes
1964	364	99%	Yes
1965	365	100%	Yes
1966	364	100%	Yes
1967	365	100%	Yes
1968	366	100%	Yes
1969	365	100%	Yes
1970	365	100%	Yes
1971	365	100%	Yes
1972	366	100%	Yes
1973	365	100%	Yes
1974	365	100%	Yes
1975	365	100%	Yes
1976	366	100%	Yes
1977	365	100%	Yes
1978	365	100%	Yes
1979	365	100%	Yes
1980	366	100%	Yes
1981	365	100%	Yes
1982	365	100%	Yes
1983	365	100%	Yes
1984	365	100%	Yes
1985	365	100%	Yes
1986	365	100%	Yes
1987	365	100%	Yes
1988	366	100%	Yes
1989	365	100%	Yes
1990	359	98%	Yes
1991	365	100%	Yes
1992	366	100%	Yes
1993	350	96%	Yes
1994	365	100%	Yes
1995	365	100%	Yes
1996	366	100%	Yes
1997	365	100%	Yes
1998	359	98%	Yes
1999	323	88%	No
2000	337	92%	Yes
2001	335	92%	Yes
2002	341	93%	Yes
2003	345	95%	Yes
2004	341	93%	Yes
2005	340	93%	Yes
2006	351	96%	Yes
2007	351	96%	Yes
2008	353	96%	Yes
2009	351	96%	Yes
2010	346	95%	Yes
2011	353	97%	Yes
2012	348	95%	Yes
2013	362	99%	Yes
2014	358	98%	Yes
2015	359	98%	Yes
2016	360	98%	Yes
2017	361	99%	Yes
2018	360	99%	Yes
2019	362	99%	Yes
2020	357	98%	Yes
2021	354	97%	Yes
2022	201	55%	No
2023	36	10%	No
2024	63	17%	No
2025	355	97%	Yes
2026	274	75%	No

Latest Records

Latest records at Muren
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
6 October 2026	Muren, MN	daily high min (Provisional)	3.1 C (37.6 F)	0.4 C (0.7 F)	16 years	12 of 100 (Routine)
5 October 2026	Muren, MN	daily high min (Provisional)	6.6 C (43.9 F)	2.7 C (4.9 F)	67 years	32 of 100 (Routine)
15 September 2026	Muren, MN	daily high max (Provisional)	26.7 C (80.1 F)	1.7 C (3.1 F)	25 years	17 of 100 (Routine)
15 September 2026	Muren, MN	daily high min (Provisional)	9.8 C (49.6 F)	0.9 C (1.6 F)	9 years	11 of 100 (Routine)
14 September 2026	Muren, MN	daily high max (Provisional)	25.6 C (78.1 F)	0.1 C (0.2 F)	9 years	9 of 100 (Routine)
11 September 2026	Muren, MN	daily high min (Provisional)	11.5 C (52.7 F)	3.7 C (6.7 F)	29 years	23 of 100 (Routine)
2 September 2026	Muren, MN	daily high min (Provisional)	13.3 C (55.9 F)	0.5 C (0.9 F)	11 years	11 of 100 (Routine)
1 September 2026	Muren, MN	monthly high min (Provisional)	14.1 C (57.4 F)	1.0 C (1.8 F)	10 years	22 of 100 (Routine)
1 September 2026	Muren, MN	daily high max (Provisional)	30.7 C (87.3 F)	1.5 C (2.7 F)	7 years	12 of 100 (Routine)
31 August 2026	Muren, MN	daily high min (Tie, Provisional)	12.0 C (53.6 F)	tie	24 years	3 of 100 (Routine)
25 August 2026	Muren, MN	daily high min (Provisional)	15.2 C (59.4 F)	1.6 C (2.9 F)	11 years	14 of 100 (Routine)
21 August 2026	Muren, MN	daily high min (Provisional)	15.8 C (60.4 F)	3.1 C (5.6 F)	53 years	32 of 100 (Routine)
20 August 2026	Muren, MN	daily high min (Provisional)	17.7 C (63.9 F)	3.2 C (5.8 F)	12 years	19 of 100 (Routine)
13 August 2026	Muren, MN	daily high min	14.7 C (58.5 F)	0.7 C (1.3 F)	29 years	17 of 100 (Routine)
12 August 2026	Muren, MN	daily high min	14.4 C (57.9 F)	0.1 C (0.2 F)	63 years	25 of 100 (Routine)
10 August 2026	Muren, MN	daily high min	16.0 C (60.8 F)	1.3 C (2.3 F)	52 years	25 of 100 (Routine)
7 August 2026	Muren, MN	daily high min	18.4 C (65.1 F)	2.4 C (4.3 F)	20 years	20 of 100 (Routine)
6 August 2026	Muren, MN	monthly high min	20.8 C (69.4 F)	1.1 C (2.0 F)	10 years	23 of 100 (Routine)
6 August 2026	Muren, MN	daily high max	31.8 C (89.2 F)	0.6 C (1.1 F)	37 years	19 of 100 (Routine)
5 August 2026	Muren, MN	daily high min	17.9 C (64.2 F)	2.6 C (4.7 F)	61 years	32 of 100 (Routine)

Climate Trend

36 complete years, 1961 to 2025

One stripe for each of 36 complete years at Muren, 1961 to 2025. Blue stripes are years cooler than the station's own mean of -0.6 C (30.9 F); red stripes are warmer. The coolest year was 1976, at -2.3 C (27.8 F), and the warmest was 2025, at 2.2 C (36.0 F). The strongest colour marks a difference of 2.8 C (5.0 F).

Annual mean temperature at Muren as warming stripes, 1961 to 2025
Year	Annual mean temperature	Difference from the station mean
1961	-0.9 C	-0.28 C
1962	-0.4 C	+0.13 C
1963	-0.5 C	+0.06 C
1964	-2.0 C	-1.47 C
1965	-0.3 C	+0.30 C
1966	-1.1 C	-0.54 C
1967	-1.3 C	-0.75 C
1968	-1.1 C	-0.48 C
1969	-1.2 C	-0.59 C
1970	-1.2 C	-0.63 C
1971	-2.0 C	-1.41 C
1972	-1.1 C	-0.53 C
1973	-0.5 C	+0.06 C
1974	-1.5 C	-0.93 C
1975	-0.9 C	-0.31 C
1976	-2.3 C	-1.74 C
1977	-0.9 C	-0.31 C
1978	0.3 C	+0.85 C
1979	1.2 C	+1.76 C
1980	-0.6 C	-0.03 C
1981	-1.4 C	-0.78 C
1982	-0.3 C	+0.28 C
1983	-1.2 C	-0.63 C
1984	-1.7 C	-1.13 C
1985	-1.4 C	-0.85 C
1986	-0.8 C	-0.26 C
1987	-0.2 C	+0.38 C
1988	0.1 C	+0.63 C
1989	-0.8 C	-0.19 C
1991	-0.4 C	+0.21 C
1992	0.4 C	+1.01 C
1994	0.4 C	+0.93 C
1995	0.8 C	+1.35 C
1996	0.3 C	+0.89 C
1997	1.5 C	+2.05 C
2025	2.2 C	+2.78 C

The annual mean temperature here has risen by 0.5 C (0.3 to 0.7) per decade over 1961 to 2025. In Fahrenheit: 0.9 F (0.5 to 1.3) per decade. The slope is a straight line fitted to 36 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at Muren
Measure	Per decade (C)	Per decade (F)	Period	Complete years	Reading
Annual mean temperature	0.5 C (0.3 to 0.7) per decade	0.9 F (0.5 to 1.3) per decade	1961 to 2025	36	Rise
Mean daily maximum	0.22 C (0.01 to 0.43) per decade	0.40 F (0.02 to 0.78) per decade	1961 to 2025	36	Rise
Mean daily minimum	0.8 C (0.6 to 1.0) per decade	1.4 F (1.0 to 1.8) per decade	1961 to 2025	36	Rise

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1956 to 2026

Yearly extremes at Muren: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	37.4 C (99.3 F)	1999	32.5 C (90.5 F)	71
Coldest night (TNn)	-47.2 C (-53.0 F)	1959	-37.3 C (-35.1 F)	71
Wettest day (Rx1day)	68.1 mm (2.7 in)	2009	26.0 mm (1.0 in)	66
Wettest five days (Rx5day)	89.0 mm (3.5 in)	1962	40.0 mm (1.6 in)	48
Longest dry spell (CDD)	148 days	1980	59 days	66

Hottest day (TXx)

The hottest day of the year at Muren, 1956 to 2026. The record is 37.4 C (99.3 F) in 1999, marked on the chart; the median year is 32.5 C (90.5 F).

Hottest day (TXx) at Muren by year
Year	Hottest day (TXx)
1956	20.0 C (68.0 F)
1957	30.0 C (86.0 F)
1958	31.1 C (88.0 F)
1959	27.2 C (81.0 F)
1960	30.0 C (86.0 F)
1961	33.9 C (93.0 F)
1962	31.1 C (88.0 F)
1963	29.8 C (85.6 F)
1964	33.9 C (93.0 F)
1965	32.4 C (90.3 F)
1966	28.4 C (83.1 F)
1967	30.8 C (87.4 F)
1968	33.6 C (92.5 F)
1969	35.4 C (95.7 F)
1970	34.7 C (94.5 F)
1971	29.6 C (85.3 F)
1972	31.3 C (88.3 F)
1973	30.2 C (86.4 F)
1974	29.5 C (85.1 F)
1975	31.3 C (88.3 F)
1976	29.0 C (84.2 F)
1977	31.5 C (88.7 F)
1978	33.0 C (91.4 F)
1979	33.0 C (91.4 F)
1980	32.6 C (90.7 F)
1981	32.7 C (90.9 F)
1982	29.3 C (84.7 F)
1983	32.5 C (90.5 F)
1984	28.8 C (83.8 F)
1985	28.6 C (83.5 F)
1986	29.8 C (85.6 F)
1987	31.8 C (89.2 F)
1988	32.8 C (91.0 F)
1989	32.5 C (90.5 F)
1990	29.0 C (84.2 F)
1991	33.1 C (91.6 F)
1992	34.0 C (93.2 F)
1993	28.1 C (82.6 F)
1994	32.5 C (90.5 F)
1995	32.3 C (90.1 F)
1996	31.9 C (89.4 F)
1997	36.9 C (98.4 F)
1998	34.6 C (94.3 F)
1999	37.4 C (99.3 F)
2000	33.6 C (92.5 F)
2001	35.1 C (95.2 F)
2002	37.4 C (99.3 F)
2003	33.8 C (92.8 F)
2004	35.9 C (96.6 F)
2005	34.8 C (94.6 F)
2006	34.1 C (93.4 F)
2007	35.1 C (95.2 F)
2008	33.5 C (92.3 F)
2009	31.5 C (88.7 F)
2010	33.0 C (91.4 F)
2011	35.5 C (95.9 F)
2012	33.0 C (91.4 F)
2013	30.4 C (86.7 F)
2014	33.2 C (91.8 F)
2015	35.3 C (95.5 F)
2016	36.9 C (98.4 F)
2017	33.9 C (93.0 F)
2018	31.9 C (89.4 F)
2019	31.3 C (88.3 F)
2020	29.6 C (85.3 F)
2021	32.8 C (91.0 F)
2022	35.1 C (95.2 F)
2023	31.5 C (88.7 F)
2024	32.3 C (90.1 F)
2025	32.1 C (89.8 F)
2026	31.8 C (89.2 F)

Coldest night (TNn)

The coldest night of the year at Muren, 1956 to 2026. The record is -47.2 C (-53.0 F) in 1959, marked on the chart; the median year is -37.3 C (-35.1 F).

Coldest night (TNn) at Muren by year
Year	Coldest night (TNn)
1956	-37.2 C (-35.0 F)
1957	-43.9 C (-47.0 F)
1958	-35.0 C (-31.0 F)
1959	-47.2 C (-53.0 F)
1960	-38.9 C (-38.0 F)
1961	-38.3 C (-36.9 F)
1962	-35.5 C (-31.9 F)
1963	-40.1 C (-40.2 F)
1964	-43.7 C (-46.7 F)
1965	-39.5 C (-39.1 F)
1966	-45.8 C (-50.4 F)
1967	-42.2 C (-44.0 F)
1968	-40.6 C (-41.1 F)
1969	-45.7 C (-50.3 F)
1970	-42.2 C (-44.0 F)
1971	-40.7 C (-41.3 F)
1972	-42.8 C (-45.0 F)
1973	-36.6 C (-33.9 F)
1974	-36.2 C (-33.2 F)
1975	-37.4 C (-35.3 F)
1976	-40.5 C (-40.9 F)
1977	-43.6 C (-46.5 F)
1978	-42.9 C (-45.2 F)
1979	-39.5 C (-39.1 F)
1980	-37.7 C (-35.9 F)
1981	-44.3 C (-47.7 F)
1982	-34.9 C (-30.8 F)
1983	-33.8 C (-28.8 F)
1984	-39.1 C (-38.4 F)
1985	-35.4 C (-31.7 F)
1986	-36.9 C (-34.4 F)
1987	-36.7 C (-34.1 F)
1988	-36.7 C (-34.1 F)
1989	-37.3 C (-35.1 F)
1990	-34.1 C (-29.4 F)
1991	-38.1 C (-36.6 F)
1992	-33.2 C (-27.8 F)
1993	-38.5 C (-37.3 F)
1994	-37.6 C (-35.7 F)
1995	-34.8 C (-30.6 F)
1996	-35.9 C (-32.6 F)
1997	-37.0 C (-34.6 F)
1998	-36.5 C (-33.7 F)
1999	-30.8 C (-23.4 F)
2000	-38.9 C (-38.0 F)
2001	-39.3 C (-38.7 F)
2002	-43.3 C (-45.9 F)
2003	-36.0 C (-32.8 F)
2004	-41.6 C (-42.9 F)
2005	-40.7 C (-41.3 F)
2006	-33.3 C (-27.9 F)
2007	-31.7 C (-25.1 F)
2008	-38.2 C (-36.8 F)
2009	-34.1 C (-29.4 F)
2010	-39.9 C (-39.8 F)
2011	-36.5 C (-33.7 F)
2012	-37.7 C (-35.9 F)
2013	-39.9 C (-39.8 F)
2014	-29.6 C (-21.3 F)
2015	-31.7 C (-25.1 F)
2016	-37.9 C (-36.2 F)
2017	-35.0 C (-31.0 F)
2018	-35.6 C (-32.1 F)
2019	-34.4 C (-29.9 F)
2020	-34.0 C (-29.2 F)
2021	-33.4 C (-28.1 F)
2022	-32.2 C (-26.0 F)
2023	-36.3 C (-33.3 F)
2024	-34.9 C (-30.8 F)
2025	-29.3 C (-20.7 F)
2026	-32.2 C (-26.0 F)

Wettest day (Rx1day)

The wettest day of the year at Muren, 1956 to 2026. The record is 68.1 mm (2.7 in) in 2009, marked on the chart; the median year is 26.0 mm (1.0 in).

Wettest day (Rx1day) at Muren by year
Year	Wettest day (Rx1day)
1956	n/a
1957	n/a
1958	n/a
1959	n/a
1960	n/a
1961	20.0 mm (0.8 in)
1962	68.0 mm (2.7 in)
1963	42.0 mm (1.7 in)
1964	48.0 mm (1.9 in)
1965	13.0 mm (0.5 in)
1966	38.0 mm (1.5 in)
1967	28.0 mm (1.1 in)
1968	27.0 mm (1.1 in)
1969	18.0 mm (0.7 in)
1970	18.0 mm (0.7 in)
1971	38.0 mm (1.5 in)
1972	13.0 mm (0.5 in)
1973	35.0 mm (1.4 in)
1974	19.0 mm (0.7 in)
1975	24.0 mm (0.9 in)
1976	15.0 mm (0.6 in)
1977	19.0 mm (0.7 in)
1978	23.0 mm (0.9 in)
1979	29.0 mm (1.1 in)
1980	25.0 mm (1.0 in)
1981	41.0 mm (1.6 in)
1982	21.0 mm (0.8 in)
1983	41.0 mm (1.6 in)
1984	31.0 mm (1.2 in)
1985	28.0 mm (1.1 in)
1986	48.0 mm (1.9 in)
1987	49.0 mm (1.9 in)
1988	33.0 mm (1.3 in)
1989	36.0 mm (1.4 in)
1990	50.0 mm (2.0 in)
1991	31.0 mm (1.2 in)
1992	23.0 mm (0.9 in)
1993	20.0 mm (0.8 in)
1994	26.0 mm (1.0 in)
1995	30.0 mm (1.2 in)
1996	16.0 mm (0.6 in)
1997	26.0 mm (1.0 in)
1998	32.0 mm (1.3 in)
1999	2.8 mm (0.11 in)
2000	24.1 mm (0.9 in)
2001	44.2 mm (1.7 in)
2002	18.0 mm (0.7 in)
2003	17.0 mm (0.7 in)
2004	14.0 mm (0.6 in)
2005	17.0 mm (0.7 in)
2006	22.1 mm (0.9 in)
2007	22.6 mm (0.9 in)
2008	25.1 mm (1.0 in)
2009	68.1 mm (2.7 in)
2010	31.0 mm (1.2 in)
2011	19.1 mm (0.8 in)
2012	24.1 mm (0.9 in)
2013	30.0 mm (1.2 in)
2014	25.9 mm (1.0 in)
2015	65.0 mm (2.6 in)
2016	23.9 mm (0.9 in)
2017	25.9 mm (1.0 in)
2018	15.0 mm (0.6 in)
2019	25.9 mm (1.0 in)
2020	45.0 mm (1.8 in)
2021	52.1 mm (2.1 in)
2022	9.9 mm (0.39 in)
2023	35.1 mm (1.4 in)
2024	26.9 mm (1.1 in)
2025	33.0 mm (1.3 in)
2026	0.0 mm (0.00 in)

Wettest five days (Rx5day)

The wettest five days of the year at Muren, 1956 to 2026. The record is 89.0 mm (3.5 in) in 1962, marked on the chart; the median year is 40.0 mm (1.6 in).

Wettest five days (Rx5day) at Muren by year
Year	Wettest five days (Rx5day)
1956	n/a
1957	n/a
1958	n/a
1959	n/a
1960	n/a
1961	46.0 mm (1.8 in)
1962	89.0 mm (3.5 in)
1963	83.0 mm (3.3 in)
1964	55.0 mm (2.2 in)
1965	36.0 mm (1.4 in)
1966	49.0 mm (1.9 in)
1967	46.0 mm (1.8 in)
1968	39.0 mm (1.5 in)
1969	38.0 mm (1.5 in)
1970	18.0 mm (0.7 in)
1971	68.0 mm (2.7 in)
1972	40.0 mm (1.6 in)
1973	60.0 mm (2.4 in)
1974	43.0 mm (1.7 in)
1975	42.0 mm (1.7 in)
1976	31.0 mm (1.2 in)
1977	28.0 mm (1.1 in)
1978	30.0 mm (1.2 in)
1979	42.0 mm (1.7 in)
1980	38.0 mm (1.5 in)
1981	83.0 mm (3.3 in)
1982	25.0 mm (1.0 in)
1983	52.0 mm (2.0 in)
1984	59.0 mm (2.3 in)
1985	29.0 mm (1.1 in)
1986	80.0 mm (3.1 in)
1987	60.0 mm (2.4 in)
1988	44.0 mm (1.7 in)
1989	57.0 mm (2.2 in)
1990	62.0 mm (2.4 in)
1991	42.0 mm (1.7 in)
1992	30.0 mm (1.2 in)
1993	36.0 mm (1.4 in)
1994	59.0 mm (2.3 in)
1995	43.0 mm (1.7 in)
1996	33.0 mm (1.3 in)
1997	52.0 mm (2.0 in)
1998	40.0 mm (1.6 in)
1999	2.8 mm (0.11 in)
2000	n/a
2001	10.4 mm (0.4 in)
2002	10.2 mm (0.4 in)
2003	4.1 mm (0.16 in)
2004	4.8 mm (0.19 in)
2005	13.5 mm (0.5 in)
2006	21.1 mm (0.8 in)
2007	n/a
2008	n/a
2009	n/a
2010	n/a
2011	n/a
2012	n/a
2013	n/a
2014	n/a
2015	n/a
2016	n/a
2017	n/a
2018	0.5 mm (0.02 in)
2019	20.8 mm (0.8 in)
2020	n/a
2021	n/a
2022	n/a
2023	19.1 mm (0.8 in)
2024	n/a
2025	n/a
2026	n/a

Longest dry spell (CDD)

The longest dry spell of the year at Muren, 1956 to 2026. The record is 148 days in 1980, marked on the chart; the median year is 59 days.

Longest dry spell (CDD) at Muren by year
Year	Longest dry spell (CDD)
1956	n/a
1957	n/a
1958	n/a
1959	n/a
1960	n/a
1961	91 days
1962	90 days
1963	49 days
1964	99 days
1965	87 days
1966	72 days
1967	55 days
1968	73 days
1969	84 days
1970	92 days
1971	124 days
1972	77 days
1973	102 days
1974	120 days
1975	75 days
1976	101 days
1977	98 days
1978	116 days
1979	109 days
1980	148 days
1981	64 days
1982	128 days
1983	114 days
1984	131 days
1985	108 days
1986	46 days
1987	96 days
1988	81 days
1989	73 days
1990	57 days
1991	92 days
1992	49 days
1993	121 days
1994	60 days
1995	130 days
1996	102 days
1997	107 days
1998	118 days
1999	27 days
2000	3 days
2001	1 day
2002	17 days
2003	27 days
2004	41 days
2005	21 days
2006	4 days
2007	1 day
2008	2 days
2009	2 days
2010	2 days
2011	1 day
2012	2 days
2013	2 days
2014	2 days
2015	3 days
2016	2 days
2017	2 days
2018	5 days
2019	2 days
2020	3 days
2021	2 days
2022	4 days
2023	2 days
2024	3 days
2025	3 days
2026	1 day

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Frost Dates and Growing Season

36 years with a frost

Across 36 years with a frost, the median last spring frost at Muren falls on 31 May and the median first autumn frost on 6 September, which leaves a median of 97 days between them.

Fitted over all years, the growing season changes by +4.4 days per decade at this station.

Frost dates and growing season at Muren
Measure	Median, all years	Earliest period	Recent period (1967 to 2025)	Recent against earliest	Fitted trend
Last spring frost	31 May	n/a	30 May	n/a	-2.7 days per decade
First autumn frost	6 September	n/a	7 September	n/a	+1.6 days per decade
Growing days	97 days	n/a	97 days	n/a	+4.4 days per decade

A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.

Rainfall Return Levels

38 years, 1961 to 1998

A day with at least 27.9 mm (1.1 in) of rain is expected about once in 2 years. A day with at least 69.8 mm (2.7 in) of rain is expected about once in 100 years.

Rainfall return levels at Muren: the daily rain expected about once in a given number of years
Expected about once in	A day with at least	Note
2 years	27.9 mm (1.1 in)
5 years	39.0 mm (1.5 in)
10 years	46.4 mm (1.8 in)
25 years	55.8 mm (2.2 in)
50 years	62.8 mm (2.5 in)	Longer than the 38 years of record
100 years	69.8 mm (2.7 in)	Longer than the 38 years of record

The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 38 years of values from 1961 to 1998.

A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.

The largest wettest-day totals in the fit: 68.0 mm (2.7 in) in 1962; 50.0 mm (2.0 in) in 1990; 49.0 mm (1.9 in) in 1987.

Download the Data

Data for Muren standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Muren threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-15 (15 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-15. Last revised 15 October 2026 (2026-10-15).